element

Information about Neon-20:


Wikipedia	Neutron Cross Sections	X-Ray Transitions	X-Ray Attenuation

Mass-Energy Data:

Atomic Mass:	19.992440	±	0.000000	amu
Excess Mass (Δ):	-7.041930	±	0.000002	MeV
Binding Energy:	160.644852	±	0.000024	MeV
β^- Decay Energy:	-13.886789	±	0.006662	MeV

"The 1995 update to the atomic mass evaluation" by G.Audi and A.H.Wapstra, Nuclear Physics A595 vol. 4 p.409-480, December 25, 1995.

Radioactive Decay Data:

Atomic Percent Abundance: 90.48%
Spin: 0+
Stable Isotope
Meta state at 5.621 Mev
Spin: 3-
Half life: 139 FS ( 0 sec., λ = inf s^-1)
Mode of decay: α to
16
8
O
(Q = 0.891 MeV) Branch ratio: 93.00 %
Mode of decay: γ (IT) to
20
10
Ne
(Q = 5.621 MeV) Branch ratio: 7.00 %
Possible parent nuclides:
β^- from
20
9
F

E.C. from
20
11
Na

E.C. +
1
1
p⁺ from
21
12
Mg

E.C. + 2
1
1
p⁺ from
22
13
Al

R.R.Kinsey, et al.,The NUDAT/PCNUDAT Program for Nuclear Data,paper submitted to the 9 th International Symposium of Capture-Gamma_raySpectroscopy and Related Topics, Budapest, Hungary, Octover 1996.Data extracted from NUDAT database (Jan. 14/1999)

Magnetic Dipole Moments and Electric Quadrupole Moments
Ex(kev)	T_1/2	Spin	m(nm)	Q(b)	Ref. Std.	Method	Reference
1634	0.7 ps	2+	+1.08(8)			"RIV/D,R"	HFI 5 347 (78)/NP A248 291 (75)
				-0.23(3)		"CER,R"	PRep. 73 369 (81)
4247	64 fs	4+	+0.5(6)		[20Ne 1634]	TF	NP A458 95 (86)
						"TF,R"	NP A378 130 (82)
			+1.7(14)		[20Ne 1634]	TF	PR C30 696 (84)
						"TF,R"	NP A378 130 (82)
			-0.4(8)		[20Ne 1634]	TF	PL B92 289 (80)

N. J. Stone, Table of Nuclear Magnetic Dipole and Electric Quadrupole Moments, to be published. 2000 Courtesy of T. Burrows at BNL/NNDC.